ui/keyboard/keyboard_event_filter.cc

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/keyboard/keyboard_event_filter.h"

#include "ui/events/event.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/keyboard/keyboard_controller.h"

namespace keyboard {

void KeyboardEventFilter::OnGestureEvent(ui::GestureEvent* event) {
  switch (event->type()) {
    case ui::ET_GESTURE_PINCH_BEGIN:
    case ui::ET_GESTURE_PINCH_END:
    case ui::ET_GESTURE_PINCH_UPDATE:
      event->StopPropagation();
      break;
    default:
      break;
  }
}

void KeyboardEventFilter::OnMouseEvent(ui::MouseEvent* event) {
  ProcessPointerEvent(event->IsOnlyLeftMouseButton(), event->x(), event->y());
}

void KeyboardEventFilter::OnTouchEvent(ui::TouchEvent* event) {
  ProcessPointerEvent(event->type() != ui::ET_TOUCH_RELEASED, event->x(),
                      event->y());
}

void KeyboardEventFilter::ProcessPointerEvent(bool isDrag, int x, int y) {
  KeyboardController* controller = KeyboardController::GetInstance();
  if (controller)
    controller->HandlePointerEvent(isDrag, gfx::Vector2d(x, y));
}

}  // nemespace keyboard